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October 9, 2025Applied Science and Engineering Progress

Impact of Die Exit Temperature on the Crystalline Orientation and Performance of Polypropylene Battery Separators

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Authors

PKPanalee KerdthongSDSitthi DuangphetNSNattakan Soykeabkaew

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Overview

This study examines how die exit temperature influences crystalline orientation and electrolyte uptake in battery separators.

Key Points

  • Lower die exit temperatures enhance crystalline orientation, improving pore structures in polypropylene battery separators.
  • At 215 °C, separators demonstrated an electrolyte uptake of 109.4% and superior pore morphology.
  • Battery performance tests indicated that separators produced at lower temperatures achieve higher charge storage capacity.
  • Optimizing die exit temperature is vital for enhancing the performance and safety of lithium-ion battery separators.

Cite This Study

Kerdthong et al. (2025) studied this question.

synapsesocial.com/papers/68e79cf2ed88661f66c2e06ehttps://doi.org/10.14416/j.asep.2025.10.002
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